Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -r04f033af4174bf41a7aa0ff9ccaae45b77472e01 -r518745cc77b07b0a6aa35d5530255d2bcc8b1090
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 04f033af4174bf41a7aa0ff9ccaae45b77472e01)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 518745cc77b07b0a6aa35d5530255d2bcc8b1090)
@@ -91,6 +91,7 @@
 static HD_PRE_TREATMENT_MODE_STATE_T handleWaterSampleState( void );
 static HD_PRE_TREATMENT_MODE_STATE_T handleSelfTestConsumableState( void );
 static HD_PRE_TREATMENT_MODE_STATE_T handleSelfTestNoCartState( void );
+static HD_PRE_TREATMENT_MODE_STATE_T handleInstallState( void );
 static HD_PRE_TREATMENT_MODE_STATE_T handleSelfTestDryState( void );
 static HD_PRE_TREATMENT_MODE_STATE_T handlePrimeState( void );
 static HD_PRE_TREATMENT_MODE_STATE_T handleRecirculateState( void );
@@ -189,6 +190,10 @@
             currentPreTreatmentState = handleSelfTestNoCartState();
             break;
 
+        case HD_PRE_TREATMENT_CART_INSTALL_STATE:
+            currentPreTreatmentState = handleInstallState();
+            break;
+
         case HD_PRE_TREATMENT_SELF_TEST_DRY_STATE:
             currentPreTreatmentState = handleSelfTestDryState();
             break;